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CVE-2023-27372

92
FAUCET Score

CVE-2023-27372 is a critical remote code execution (RCE) vulnerability affecting SPIP versions prior to 4.2.1, including specific Debian packages. This flaw, rated 9.8 CVSS, stems from improper handling of serialization in public-facing forms, allowing unauthenticated attackers to execute arbitrary code with low attack complexity. While not yet on CISA's KEV list, readily available exploit modules for Metasploit and Nuclei, along with an ExploitDB entry, indicate a high likelihood of exploitation. Despite its critical nature and exploit availability, there is currently no significant public discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.18CPE matchmatch criteria
cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.0.10CPE matchmatch criteria
cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*
>= 4.1.0, < 4.1.8CPE matchmatch criteria
cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:a:spip:spip:4.2.0:-:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:a:spip:spip:4.2.0:alpha:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.64%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: SPIP form PHP Injection · Feb 27, 2023
Nuclei: CVE-2023-27372 · Jun 22, 2023
ExploitDB: EDB-51536 · Jun 20, 2023
This CVE's current EPSS score of 0.9964 is in the 100th percentile among its peer group of 36,835 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstorm.news / files/id/171921
packetstorm.news / files/id/173044
packetstormsecurity.com / files/171921/SPIP-Remote-Command-Execution.html
packetstormsecurity.com / files/173044/SPIP-4.2.1-Remote-Code-Execution.html
blog.spip.net / Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-2-1-SPIP-4-1-8-SPIP-4-0-10-et.html
Release Notes
git.spip.net / spip/spip/commit/5aedf49b89415a4df3eb775eee3801a2b4b88266
Patch
git.spip.net / spip/spip/commit/96fbeb38711c6706e62457f2b732a652a04a409d
Patch
debian.org / security/2023/dsa-5367
Third Party Advisory